Table 1.

Participants’ sociodemographic characteristics.

		Depressive Symptoms *1				p-Value	Chi-Squared	φ or Cramer’s V
		Negative (n = 154)		Positive (n = 134)
		n	%	n	%
Living arrangement
	Living alone	31	20.3	28	21.1	0.869	0.03	0.010
	Living together	122	79.7	105	78.9
Age (years)
	18	14	9.2	16	11.9	0.203	7.25	0.159
	19	48	31.4	38	28.4
	20	43	28.1	44	32.8
	21	27	17.6	29	21.6
	22	19	12.4	6	4.5
	≥23	2	1.3	1	0.7
Residence Prefecture at the Great East Japan Earthquake
	Fukushima prefecture	118	78.1	104	78.2	0.992	0.00	0.001
	Other prefectures	33	21.9	29	21.8

*¹ Participants in the positive group for depressive symptoms scored 1 or 0 for any of the 5 World Health Organization-Five Well-Being Index items or had an overall score of <13.